/* 仪表板专用样式 */

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* 统计卡片样式 */
.stats-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.stats-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.stats-label {
    font-size: 0.9rem;
    color: #6c757d;
    font-weight: 500;
}

/* 功能卡片样式 */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 状态徽章样式 */
.status-initial {
    background-color: #6c757d !important;
}

.status-approved {
    background-color: #28a745 !important;
}

.status-midterm_passed {
    background-color: #17a2b8 !important;
}

.status-completed {
    background-color: #007bff !important;
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .stats-number {
        font-size: 2rem;
    }
    
    .stats-label {
        font-size: 0.8rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

/* 列表项样式 */
.list-group-item {
    border: none;
    padding: 1rem 0;
    border-bottom: 1px solid #e9ecef;
}

.list-group-item:last-child {
    border-bottom: none;
}

/* 按钮样式优化 */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    /* 移除上浮效果 */
}

/* 卡片头部样式 */
.card-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
    border-radius: 12px 12px 0 0 !important;
}

/* 模态框样式优化 */
.modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    border-radius: 12px 12px 0 0;
}